#!/bin/sh
#------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     | Website:  https://openfoam.org
#   \\  /    A nd           | Copyright (C) 2014-2018 OpenFOAM Foundation
#    \\/     M anipulation  |
#------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM.
#
#     OpenFOAM is free software: you can redistribute it and/or modify it
#     under the terms of the GNU General Public License as published by
#     the Free Software Foundation, either version 3 of the License, or
#     (at your option) any later version.
#
#     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
#     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
#     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
#     for more details.
#
#     You should have received a copy of the GNU General Public License
#     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
#
# Script
#     wdep
#
# Usage
#     wdep <file>
#     cat `wdep <file>`
#
# Description
#     Find the .dep file corresponding to <file> and print the path.
#     If <file> is not in the current directory the tree is searched for
#     the first occurrence.
#
#------------------------------------------------------------------------------
Script=${0##*/}

# Source the wmake functions
# shellcheck source=scripts/wmakeFunctions
. "${0%/*}/scripts/wmakeFunctions"

usage() {
    cat<<USAGE

Usage: $Script <file>
options:
  -help             Print the usage

Find the dep-file corresponding to <file> in the current directory
and print the path.

USAGE
}

error() {
    exec 1>&2
    while [ "$#" -ge 1 ]; do echo "$1"; shift; done
    usage
    exit 1
}

#------------------------------------------------------------------------------
# Parse arguments and options
#------------------------------------------------------------------------------

while [ "$#" -gt 0 ]
do
    case "$1" in
    -h | -help)
        usage && exit 0
        ;;
    -*)
        error "unknown option: '$*'"
        ;;
    *)
        break
        ;;
    esac
done

# Check environment variables
checkEnv


#------------------------------------------------------------------------------
# Check <file> is is the current directory,
# otherwise search tree for first occurrence
#------------------------------------------------------------------------------

sourceFile=$1

if [ ! -e "$1" ]
then
    sourceFile=$(find . -name "$sourceFile" -print -quit)
    if [ -z "$sourceFile" ]
    then
        echo "$Script: cannot find source file $1" 1>&2
        exit 1
    fi
fi


#------------------------------------------------------------------------------
# Search up directories tree for the Make sub-directory containing dep files
# and echo path for the dep file corresponding to the specified source file
#------------------------------------------------------------------------------

findObjectDir "$sourceFile"

fileName=${1##*/}

echo "$objectsDir/$fileName.dep"


#------------------------------------------------------------------------------
# Cleanup local variables and functions
#------------------------------------------------------------------------------

unset Script usage error


#------------------------------------------------------------------------------
